Modeling a better catalyst for PIBSAs
Polyisobutenyl succinic anhydrides (PIBSAs) are important for the auto industry because of their wide use in lubricant and fuel formulations. Their synthesis, however, requires high temperatures and, therefore, higher cost......»»
Photochemistry and a new catalyst could make fertilizer more sustainable
Georgia Tech engineers are working to make fertilizer more sustainable—from production to productive reuse of the runoff after application—and a pair of new studies is offering promising avenues at both ends of the process......»»
In a world run by catalysts, why is optimizing them still so tough?
We depend on catalysts to turn our milk into yogurt, to produce Post-It notes from paper pulp, and to unlock renewable energy sources like biofuels. Finding optimal catalyst materials for specific reactions requires laborious experiments and computat.....»»
Researchers find natural spa water in central Japan is long-trapped lithospheric water
Researchers at the University of Tsukuba have made a groundbreaking discovery regarding the origins of non-meteoric water in natural spa waters located in central Japan. Based on numerical modeling, their results suggest that this water has been conf.....»»
Many models are better than one for COVID-19 scenario projections, study finds
During the COVID-19 pandemic, the COVID-19 Scenario Modeling Hub generated look-ahead projections for COVID-19 cases, hospitalizations and deaths under specific, policy-relevant scenarios. Those projections were provided to federal agencies such as t.....»»
New nuclear deflection simulations advance planetary defense against asteroid threats
Researchers at Lawrence Livermore National Laboratory (LLNL) have developed a modeling tool for assessing the potential use of a nuclear device to defend the planet against catastrophic asteroid impacts......»»
New technique could make modeling molecules much easier
Much like the humans that created them, computers find physics hard, but quantum mechanics even harder. But a new technique created by three University of Chicago scientists allows computers to simulate certain challenging quantum mechanical effects.....»»
A new mathematical language for biological networks
A team of researchers around Berlin mathematics professor Michael Joswig is presenting a novel concept for the mathematical modeling of genetic interactions in biological systems. Collaborating with biologists from ETH Zurich and Carnegy Science (U.S.....»»
Morocco earthquake had unusual deep slip, according to new modeling
In their rapid characterization of the magnitude 6.8 Al Haouz earthquake in Morocco, researchers from the U.S. Geological Survey's National Earthquake Information Center (NEIC) suggest that the earthquake ruptured roughly 25 kilometers deep beneath t.....»»
New catalyst opens efficient conversion from nitrate pollution to valuable ammonia
Pollution spewing from a booming global economy poses a number of different threats to human health. Researchers from Zhongyuan University of Technology proposed a new possible avenue to efficiently convert nitrate, a widespread water pollutant, back.....»»
Green hydrogen: Improving the stability of iridium catalysts with titanium oxides
Anodes for the electrolytic splitting of water are usually iridium-based materials. In order to increase the stability of the iridium catalyst, a team at HZB and a group at HI-ERN have now produced a so-called material library: a sample in which the.....»»
Biodiversity modeling advances to improve predictions of nature"s contributions to people
People depend on nature in a multitude of ways. Crop pollination, pest management, storm buffering, and carbon capturing are all part of nature's contributions to people (NCP). But these contributions are subject to change—species that make vital c.....»»
Blender 4.0 released with new features and better Apple Silicon performance
Blender Foundation has released version 4 of the popular Blender 3D design app, bringing interface changes, feature improvements, and most importantly speed boosts for Apple Silicon Macs.Blender is a leading 3D modeling application for Mac, Windows,.....»»
Catalyst makes drugs inside the body to minimize side effects
A highly active catalyst capable of synthesizing drug molecules within the body has been developed by RIKEN chemists. In mice, an anticancer drug assembled near tumors using the injected catalyst suppressed tumor growth......»»
A catalyst for electronically controlled C–H functionalization
The Chirik Group at the Princeton Department of Chemistry is chipping away at one of the great challenges of metal-catalyzed C–H functionalization with a new method that uses a cobalt catalyst to differentiate between bonds in fluoroarenes, functio.....»»
Theoretical work indicates that the future Electron Ion Collider can be used to measure the shape of atomic nuclei
Scientists have developed a new way to study the shapes of atomic nuclei and their internal building blocks. The method relies on modeling the production of certain particles from high-energy collisions of electrons with nuclear targets. Such collisi.....»»
In California, 600 years" worth of tree rings reveal climate risks
An interdisciplinary collaboration used 600 years' worth of tree rings from the San Joaquin Valley to reconstruct plausible daily records of weather and streamflow scenarios during that period. Modeling based on those scenarios revealed the region ha.....»»
Understanding charged particles helps physicists simulate element creation in stars
New research from North Carolina State University and Michigan State University opens a new avenue for modeling low-energy nuclear reactions, which are key to the formation of elements within stars. The research lays the groundwork for calculating ho.....»»
Facilitating learning chemistry with conceptual modeling
A team of researchers and teachers from the University of Twente have developed a novel teaching method that uses conceptual modeling to facilitate learning and foster creativity in classrooms of chemical science and engineering students. The student.....»»
Carbon neutrality likely to increase extreme weather events by 2050, finds study
Climate modeling based upon Earth's current greenhouse gas emissions trajectory predicts a worst-case scenario of 4.3°C warming of the planet by 2100 if sufficient measures are not implemented. While the Paris Climate Agreement has been adopted by 1.....»»
Forest modeling shows which harvest rotations lead to maximum carbon sequestration
Forest modeling by Oregon State University scientists shows that a site's productivity—an indicator of how fast trees grow and how much biomass they accumulate—is the main factor that determines which time period between timber harvests allows fo.....»»